In an unprecedented effort, 15 aquariums from around the world are teaming up to raise endangered baby zebra sharks and reintroduce them into the wild, where populations have nearly gone extinct.

See the world's first MRI scan of a great white shark as Ultimate Shark reveals the extreme engineering and predatory abilities of one of nature's most near perfect predators. Hear firsthand accounts ...

Scientists have studied Greenland sharks’ eyesight, particularly for the mystery of their age, using a protein hidden inside the shark’s eye.

National Geographic's annual Pictures of the Year collection showcases stunning images of wildlife from around the world. Out of the hundreds of thousands of images taken by its photographers in 2025, ...

Greenland Sharks can live up to 400 years old, and the study of their cells tells a fascinating story about aging.

Streaming platforms for National Geographic Ultimate Shark haven’t been announced yet. Check back soon for updates on where you can watch it online.